.box {
  width: 100%;
  height: 100%;
  position: relative;
}

.fff {
  position: fixed;
  width: 100%;
  z-index: 9999;
}

.shang {
  width: 100%;
  height: 60px;
}

.shang div {
  width: 18%;
  height: 20px;
  border: 1px solid #000;
  float: left;
  margin: 10px;
  text-align: center;
  line-height: 20px;
}

.okoko {
  width: 100%;
  height: 70px;
}

h5 {
  width: 100%;
  background: #ccc;
}

.okoko1 {
  width: 18%;
  height: 20px;
  border: 1px solid #000;
  float: left;
  margin: 10px;
  text-align: center;
  line-height: 20px;
}

.xiaaaa {
  width: 100%;
  height: 400px;
  margin-top: 70px;
}

.xiaaaa h5 {
  width: 100%;
  background: #ccc;
}

.ojoj {
  width: 18%;
  height: 20px;
  border: 1px solid #000;
  float: left;
  margin: 10px;
  text-align: center;
  line-height: 20px;
}

.ttt {
  width: 100%;
  height: 100%;
  display: flex;
}

.zuo {
  flex: 1;
}

.you {
  flex: 3;
}

.shuju {
  width: 100%;
  height: 100%;
  padding-top: 100px;
}

.container {
  height: 100vh;
  background-color: #ffffff;
  display: flex;
  justify-content: flex-start;
  align-items: stretch;
}

[data-prefers-color='dark'] .container {
  background-color: unset;
}

.side {
  flex: none;
}

.main {
  flex: auto;
}

.content {
  height: 100%;
  display: none;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  color: #000;
}

.content.active {
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  justify-content: space-around;
}
